Pacific Exteriors NW partners with reputable manufacturers such as CertainTeed and Owens Corning. For any roofing job or property of any age in the greater Portland metro region and its environs, Pacific Exteriors NW provides a full range of CertainTeed roofing products, Owens Corning, and accessories. Designer shingles, the most widely used roofing material profile, and architectural composition are Pacific Exteriors NW’s areas of expertise. Modern roofing materials have significantly improved in quality and beauty thanks to advancements in fundamental engineering, building science, and technology.